Question 1

How many days does September 1977 have?

Accepted Answer

September 1977 has 30 days. It starts on Thursday and ends on Friday.

Question 2

What ISO week does September 1977 start in?

Accepted Answer

1 September 1977 falls in ISO week 35. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of South Korea in September 1977?

Accepted Answer

The calendar on this page marks every national public holiday of South Korea in September 1977 in red, with joint/regional days in amber.

9월 1977